if_cs.c revision 179597
1139749Simp/*- 237785Smsmith * Copyright (c) 1997,1998 Maxim Bolotin and Oleg Sharoiko. 337785Smsmith * All rights reserved. 437785Smsmith * 537785Smsmith * Redistribution and use in source and binary forms, with or without 637785Smsmith * modification, are permitted provided that the following conditions 737785Smsmith * are met: 837785Smsmith * 1. Redistributions of source code must retain the above copyright 937785Smsmith * notice unmodified, this list of conditions, and the following 1037785Smsmith * disclaimer. 1137785Smsmith * 2. Redistributions in binary form must reproduce the above copyright 1237785Smsmith * notice, this list of conditions and the following disclaimer in the 1337785Smsmith * documentation and/or other materials provided with the distribution. 1437785Smsmith * 1537785Smsmith * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1637785Smsmith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1737785Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1837785Smsmith * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1937785Smsmith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2037785Smsmith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2137785Smsmith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2237785Smsmith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2337785Smsmith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2437785Smsmith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2537785Smsmith * SUCH DAMAGE. 2637785Smsmith * 2737785Smsmith */ 2837785Smsmith 29119418Sobrien#include <sys/cdefs.h> 30119418Sobrien__FBSDID("$FreeBSD: head/sys/dev/cs/if_cs.c 179597 2008-06-06 05:25:24Z imp $"); 31119418Sobrien 3237785Smsmith/* 3337785Smsmith * 3437785Smsmith * Device driver for Crystal Semiconductor CS8920 based ethernet 3537785Smsmith * adapters. By Maxim Bolotin and Oleg Sharoiko, 27-April-1997 3637785Smsmith */ 3737785Smsmith 3858816Simp/* 3958816Simp#define CS_DEBUG 4058816Simp */ 4137785Smsmith 4237785Smsmith#include <sys/param.h> 4337785Smsmith#include <sys/systm.h> 4437785Smsmith#include <sys/malloc.h> 4558816Simp#include <sys/mbuf.h> 4658816Simp#include <sys/socket.h> 4737785Smsmith#include <sys/sockio.h> 4837785Smsmith#include <sys/kernel.h> 4938592Smsmith#include <sys/sysctl.h> 5037785Smsmith#include <sys/syslog.h> 5137785Smsmith 5258816Simp#include <sys/module.h> 5358816Simp#include <sys/bus.h> 5458816Simp#include <machine/bus.h> 5558816Simp#include <sys/rman.h> 5658816Simp#include <machine/resource.h> 5758816Simp 5837785Smsmith#include <net/if.h> 5937785Smsmith#include <net/if_arp.h> 60156559Sphilip#include <net/if_dl.h> 6137785Smsmith#include <net/if_media.h> 62147256Sbrooks#include <net/if_types.h> 6337785Smsmith#include <net/ethernet.h> 6437785Smsmith#include <net/bpf.h> 6537785Smsmith 6672940Simp#include <dev/cs/if_csvar.h> 6758816Simp#include <dev/cs/if_csreg.h> 6837785Smsmith 6937785Smsmith#ifdef CS_USE_64K_DMA 7037785Smsmith#define CS_DMA_BUFFER_SIZE 65536 7137785Smsmith#else 7237785Smsmith#define CS_DMA_BUFFER_SIZE 16384 7337785Smsmith#endif 7437785Smsmith 75122024Simpstatic void cs_init(void *); 76179560Sjhbstatic void cs_init_locked(struct cs_softc *); 77122024Simpstatic int cs_ioctl(struct ifnet *, u_long, caddr_t); 78122024Simpstatic void cs_start(struct ifnet *); 79179560Sjhbstatic void cs_start_locked(struct ifnet *); 80122024Simpstatic void cs_stop(struct cs_softc *); 81122024Simpstatic void cs_reset(struct cs_softc *); 82179560Sjhbstatic void cs_watchdog(void *); 8338592Smsmith 84122024Simpstatic int cs_mediachange(struct ifnet *); 85122024Simpstatic void cs_mediastatus(struct ifnet *, struct ifmediareq *); 86122024Simpstatic int cs_mediaset(struct cs_softc *, int); 8758816Simp 8837785Smsmithstatic void cs_write_mbufs(struct cs_softc*, struct mbuf*); 8937785Smsmithstatic void cs_xmit_buf(struct cs_softc*); 9037785Smsmithstatic int cs_get_packet(struct cs_softc*); 9137785Smsmithstatic void cs_setmode(struct cs_softc*); 9237785Smsmith 93122024Simpstatic int get_eeprom_data(struct cs_softc *sc, int, int, uint16_t *); 94122024Simpstatic int get_eeprom_cksum(int, int, uint16_t *); 9537785Smsmithstatic int wait_eeprom_ready( struct cs_softc *); 9637785Smsmithstatic void control_dc_dc( struct cs_softc *, int ); 9737785Smsmithstatic int enable_tp(struct cs_softc *); 9837785Smsmithstatic int enable_aui(struct cs_softc *); 9937785Smsmithstatic int enable_bnc(struct cs_softc *); 10037785Smsmithstatic int cs_duplex_auto(struct cs_softc *); 10137785Smsmith 10271316Simpdevclass_t cs_devclass; 103179597Simpdriver_intr_t csintr; 10437785Smsmith 105122024Simp/* sysctl vars */ 106122024SimpSYSCTL_NODE(_hw, OID_AUTO, cs, CTLFLAG_RD, 0, "cs device parameters"); 107122024Simp 108122024Simpint cs_debug = 0; 109122024SimpTUNABLE_INT("hw.cs.debug", &cs_debug); 110122024SimpSYSCTL_INT(_hw_cs, OID_AUTO, debug, CTLFLAG_RW, 111122024Simp &cs_debug, 0, 112122024Simp "cs debug"); 113122024Simp 114122024Simpint cs_ignore_cksum_failure = 0; 115122024SimpTUNABLE_INT("hw.cs.ignore_checksum_failure", &cs_ignore_cksum_failure); 116122024SimpSYSCTL_INT(_hw_cs, OID_AUTO, ignore_checksum_failure, CTLFLAG_RW, 117122024Simp &cs_ignore_cksum_failure, 0, 118122024Simp "ignore checksum errors in cs card EEPROM"); 119122024Simp 120122024Simpstatic int cs_recv_delay = 570; 121140925SimpTUNABLE_INT("hw.cs.recv_delay", &cs_recv_delay); 122122024SimpSYSCTL_INT(_hw_cs, OID_AUTO, recv_delay, CTLFLAG_RW, &cs_recv_delay, 570, ""); 123122024Simp 124179532Simpstatic int cs8900_eeint2irq[16] = { 125179532Simp 10, 11, 12, 5, 255, 255, 255, 255, 126179532Simp 255, 255, 255, 255, 255, 255, 255, 255 127179532Simp}; 128179532Simp 129179532Simpstatic int cs8900_irq2eeint[16] = { 130179532Simp 255, 255, 255, 255, 255, 3, 255, 255, 131179532Simp 255, 0, 1, 2, 255, 255, 255, 255 132179532Simp}; 133179532Simp 13437785Smsmithstatic int 135122024Simpget_eeprom_data(struct cs_softc *sc, int off, int len, uint16_t *buffer) 13637785Smsmith{ 13737785Smsmith int i; 13837785Smsmith 13937785Smsmith#ifdef CS_DEBUG 140179591Simp device_printf(sc->sc_dev, "EEPROM data from %x for %x:\n", off, len); 14137785Smsmith#endif 14237785Smsmith 143122024Simp for (i=0; i < len; i++) { 144122024Simp if (wait_eeprom_ready(sc) < 0) 145122024Simp return (-1); 14637785Smsmith /* Send command to EEPROM to read */ 14772940Simp cs_writereg(sc, PP_EECMD, (off + i) | EEPROM_READ_CMD); 148122024Simp if (wait_eeprom_ready(sc) < 0) 14972940Simp return (-1); 15072940Simp buffer[i] = cs_readreg(sc, PP_EEData); 15137785Smsmith 15237785Smsmith#ifdef CS_DEBUG 153179591Simp printf("%04x ",buffer[i]); 15437785Smsmith#endif 15537785Smsmith } 15637785Smsmith 15737785Smsmith#ifdef CS_DEBUG 15837785Smsmith printf("\n"); 15937785Smsmith#endif 16072940Simp return (0); 16137785Smsmith} 16237785Smsmith 16337785Smsmithstatic int 164122024Simpget_eeprom_cksum(int off, int len, uint16_t *buffer) 16537785Smsmith{ 166122024Simp int i; 167122024Simp uint16_t cksum=0; 16837785Smsmith 169122024Simp for (i = 0; i < len; i++) 170122024Simp cksum += buffer[i]; 17137785Smsmith cksum &= 0xffff; 172179591Simp if (cksum == 0 || cs_ignore_cksum_failure) 173122024Simp return (0); 174122024Simp return (-1); 17537785Smsmith} 17637785Smsmith 17737785Smsmithstatic int 17837785Smsmithwait_eeprom_ready(struct cs_softc *sc) 17937785Smsmith{ 180122024Simp DELAY(30000); /* XXX should we do some checks here ? */ 181140928Simp return (0); 18237785Smsmith} 18337785Smsmith 18437785Smsmithstatic void 18537785Smsmithcontrol_dc_dc(struct cs_softc *sc, int on_not_off) 18637785Smsmith{ 18737785Smsmith unsigned int self_control = HCB1_ENBL; 18837785Smsmith 18937785Smsmith if (((sc->adapter_cnf & A_CNF_DC_DC_POLARITY)!=0) ^ on_not_off) 19037785Smsmith self_control |= HCB1; 19137785Smsmith else 19237785Smsmith self_control &= ~HCB1; 19372940Simp cs_writereg(sc, PP_SelfCTL, self_control); 194122024Simp DELAY(500000); 19537785Smsmith} 19637785Smsmith 19737785Smsmith 19837785Smsmithstatic int 19937785Smsmithcs_duplex_auto(struct cs_softc *sc) 20037785Smsmith{ 201140927Simp int i, error=0; 202140927Simp 20372940Simp cs_writereg(sc, PP_AutoNegCTL, 20472940Simp RE_NEG_NOW | ALLOW_FDX | AUTO_NEG_ENABLE); 205140927Simp for (i=0; cs_readreg(sc, PP_AutoNegST) & AUTO_NEG_BUSY; i++) { 206179597Simp if (i > 4000) { 207162321Sglebius device_printf(sc->dev, 208140927Simp "full/half duplex auto negotiation timeout\n"); 20937785Smsmith error = ETIMEDOUT; 210140927Simp break; 211140927Simp } 212140927Simp DELAY(1000); 213140927Simp } 214140928Simp return (error); 21537785Smsmith} 21637785Smsmith 21737785Smsmithstatic int 21837785Smsmithenable_tp(struct cs_softc *sc) 21937785Smsmith{ 22037785Smsmith 22172940Simp cs_writereg(sc, PP_LineCTL, sc->line_ctl & ~AUI_ONLY); 22237785Smsmith control_dc_dc(sc, 0); 223140928Simp return (0); 22437785Smsmith} 22537785Smsmith 22637785Smsmithstatic int 22737785Smsmithenable_aui(struct cs_softc *sc) 22837785Smsmith{ 22937785Smsmith 23072940Simp cs_writereg(sc, PP_LineCTL, 23172940Simp (sc->line_ctl & ~AUTO_AUI_10BASET) | AUI_ONLY); 232179597Simp control_dc_dc(sc, 0); 233140928Simp return (0); 23437785Smsmith} 23537785Smsmith 23637785Smsmithstatic int 23737785Smsmithenable_bnc(struct cs_softc *sc) 23837785Smsmith{ 23937785Smsmith 24072940Simp cs_writereg(sc, PP_LineCTL, 24172940Simp (sc->line_ctl & ~AUTO_AUI_10BASET) | AUI_ONLY); 242179597Simp control_dc_dc(sc, 1); 243140928Simp return (0); 24437785Smsmith} 24537785Smsmith 24671316Simpint 24758816Simpcs_cs89x0_probe(device_t dev) 24837785Smsmith{ 24958816Simp int i; 25058816Simp int error; 25158816Simp u_long irq, junk; 25258816Simp struct cs_softc *sc = device_get_softc(dev); 25337785Smsmith unsigned rev_type = 0; 254122024Simp uint16_t id; 25558816Simp char chip_revision; 256122024Simp uint16_t eeprom_buff[CHKSUM_LEN]; 25737785Smsmith int chip_type, pp_isaint, pp_isadma; 25837785Smsmith 25958816Simp error = cs_alloc_port(dev, 0, CS_89x0_IO_PORTS); 26058816Simp if (error) 26158816Simp return (error); 26258816Simp 26372940Simp sc->nic_addr = rman_get_start(sc->port_res); 26458816Simp 26572940Simp if ((cs_inw(sc, ADD_PORT) & ADD_MASK) != ADD_SIG) { 26637785Smsmith /* Chip not detected. Let's try to reset it */ 26737785Smsmith if (bootverbose) 26858816Simp device_printf(dev, "trying to reset the chip.\n"); 26972940Simp cs_outw(sc, ADD_PORT, PP_SelfCTL); 27072940Simp i = cs_inw(sc, DATA_PORT); 27172940Simp cs_outw(sc, ADD_PORT, PP_SelfCTL); 27272940Simp cs_outw(sc, DATA_PORT, i | POWER_ON_RESET); 27372940Simp if ((cs_inw(sc, ADD_PORT) & ADD_MASK) != ADD_SIG) 27458816Simp return (ENXIO); 27537785Smsmith } 27637785Smsmith 27772940Simp for (i = 0; i < 10000; i++) { 27872940Simp id = cs_readreg(sc, PP_ChipID); 27972940Simp if (id == CHIP_EISA_ID_SIG) 28072940Simp break; 28172940Simp } 28272940Simp if (i == 10000) 28358816Simp return (ENXIO); 28437785Smsmith 28572940Simp rev_type = cs_readreg(sc, PRODUCT_ID_ADD); 28637785Smsmith chip_type = rev_type & ~REVISON_BITS; 28737785Smsmith chip_revision = ((rev_type & REVISON_BITS) >> 8) + 'A'; 28837785Smsmith 28937785Smsmith sc->chip_type = chip_type; 29058816Simp 291179532Simp if (chip_type == CS8900) { 29237785Smsmith pp_isaint = PP_CS8900_ISAINT; 29337785Smsmith pp_isadma = PP_CS8900_ISADMA; 29437785Smsmith sc->send_cmd = TX_CS8900_AFTER_ALL; 29537785Smsmith } else { 29637785Smsmith pp_isaint = PP_CS8920_ISAINT; 29737785Smsmith pp_isadma = PP_CS8920_ISADMA; 29837785Smsmith sc->send_cmd = TX_CS8920_AFTER_ALL; 29937785Smsmith } 30037785Smsmith 30137785Smsmith /* 302140927Simp * Clear some fields so that fail of EEPROM will left them clean 303140927Simp */ 304140927Simp sc->auto_neg_cnf = 0; 305140927Simp sc->adapter_cnf = 0; 306140927Simp sc->isa_config = 0; 307140927Simp 308140927Simp /* 309179532Simp * If no interrupt specified, use what the board tells us. 31037785Smsmith */ 31158816Simp error = bus_get_resource(dev, SYS_RES_IRQ, 0, &irq, &junk); 31258816Simp 31358816Simp /* 31458816Simp * Get data from EEPROM 31558816Simp */ 31672940Simp if((cs_readreg(sc, PP_SelfST) & EEPROM_PRESENT) == 0) { 31758816Simp device_printf(dev, "No EEPROM, assuming defaults.\n"); 318179532Simp } else if (get_eeprom_data(sc,START_EEPROM_DATA,CHKSUM_LEN, eeprom_buff)<0) { 319179532Simp device_printf(dev, "EEPROM read failed, assuming defaults.\n"); 320179532Simp } else if (get_eeprom_cksum(START_EEPROM_DATA,CHKSUM_LEN, eeprom_buff)<0) { 321179532Simp device_printf(dev, "EEPROM cheksum bad, assuming defaults.\n"); 32237785Smsmith } else { 323179532Simp sc->auto_neg_cnf = eeprom_buff[AUTO_NEG_CNF_OFFSET/2]; 324179532Simp sc->adapter_cnf = eeprom_buff[ADAPTER_CNF_OFFSET/2]; 325179532Simp sc->isa_config = eeprom_buff[ISA_CNF_OFFSET/2]; 326179532Simp for (i=0; i<ETHER_ADDR_LEN/2; i++) { 327179532Simp sc->enaddr[i*2] = eeprom_buff[i]; 328179532Simp sc->enaddr[i*2+1] = eeprom_buff[i] >> 8; 329179532Simp } 330179532Simp /* 331179532Simp * If no interrupt specified, use what the 332179532Simp * board tells us. 333179532Simp */ 334179532Simp if (error) { 335179532Simp irq = sc->isa_config & INT_NO_MASK; 336179532Simp error = 0; 337179532Simp if (chip_type == CS8900) { 338179532Simp irq = cs8900_eeint2irq[irq]; 33937785Smsmith } else { 340179532Simp if (irq > CS8920_NO_INTS) 341179532Simp irq = 255; 34237785Smsmith } 343179532Simp if (irq == 255) { 344179532Simp device_printf(dev, "invalid irq in EEPROM.\n"); 345179532Simp error = EINVAL; 346179532Simp } 347179532Simp if (!error) 348179532Simp bus_set_resource(dev, SYS_RES_IRQ, 0, 349179532Simp irq, 1); 350140927Simp } 351140927Simp } 35237785Smsmith 353179532Simp if (!error && !(sc->flags & CS_NO_IRQ)) { 354140927Simp if (chip_type == CS8900) { 355179532Simp if (irq >= 0 || irq < 16) 356179532Simp irq = cs8900_irq2eeint[irq]; 357179532Simp else 358179532Simp irq = 255; 359140927Simp } else { 360179532Simp if (irq > CS8920_NO_INTS) 361179532Simp irq = 255; 362140927Simp } 363179532Simp if (irq == 255) 364179532Simp error = EINVAL; 36558816Simp } 36658816Simp 367179507Simp if (error) { 36858816Simp device_printf(dev, "Unknown or invalid irq\n"); 369179507Simp return (error); 370140927Simp } 371140927Simp 372179507Simp if (!(sc->flags & CS_NO_IRQ)) 373179507Simp cs_writereg(sc, pp_isaint, irq); 374179507Simp 375140927Simp /* 376140927Simp * Temporary disabled 377140927Simp * 378140927Simp if (drq>0) 37972940Simp cs_writereg(sc, pp_isadma, drq); 38037785Smsmith else { 381104252Sbrooks device_printf(dev, "incorrect drq\n",); 382140928Simp return (0); 38337785Smsmith } 384140927Simp */ 38537785Smsmith 38637785Smsmith if (bootverbose) 38758816Simp device_printf(dev, "CS89%c0%s rev %c media%s%s%s\n", 388179532Simp chip_type == CS8900 ? '0' : '2', 389179532Simp chip_type == CS8920M ? "M" : "", 39037785Smsmith chip_revision, 39137785Smsmith (sc->adapter_cnf & A_CNF_10B_T) ? " TP" : "", 39237785Smsmith (sc->adapter_cnf & A_CNF_AUI) ? " AUI" : "", 39358816Simp (sc->adapter_cnf & A_CNF_10B_2) ? " BNC" : ""); 39437785Smsmith 395140927Simp if ((sc->adapter_cnf & A_CNF_EXTND_10B_2) && 396140927Simp (sc->adapter_cnf & A_CNF_LOW_RX_SQUELCH)) 397140927Simp sc->line_ctl = LOW_RX_SQUELCH; 398140927Simp else 399140927Simp sc->line_ctl = 0; 40037785Smsmith 401140928Simp return (0); 40237785Smsmith} 40337785Smsmith 40437785Smsmith/* 40558816Simp * Allocate a port resource with the given resource id. 40658816Simp */ 407179560Sjhbint 408179560Sjhbcs_alloc_port(device_t dev, int rid, int size) 40958816Simp{ 410140927Simp struct cs_softc *sc = device_get_softc(dev); 411140927Simp struct resource *res; 41258816Simp 413140927Simp res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 414140927Simp 0ul, ~0ul, size, RF_ACTIVE); 415140928Simp if (res == NULL) 416140927Simp return (ENOENT); 417140928Simp sc->port_rid = rid; 418140928Simp sc->port_res = res; 419140928Simp return (0); 42058816Simp} 42158816Simp 42258816Simp/* 42358816Simp * Allocate an irq resource with the given resource id. 42458816Simp */ 425179560Sjhbint 426179597Simpcs_alloc_irq(device_t dev, int rid) 42758816Simp{ 428140927Simp struct cs_softc *sc = device_get_softc(dev); 429140927Simp struct resource *res; 43058816Simp 431179597Simp res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 432140928Simp if (res == NULL) 433140927Simp return (ENOENT); 434140928Simp sc->irq_rid = rid; 435140928Simp sc->irq_res = res; 436140928Simp return (0); 43758816Simp} 43858816Simp 43958816Simp/* 44058816Simp * Release all resources 44158816Simp */ 442179560Sjhbvoid 443179560Sjhbcs_release_resources(device_t dev) 44458816Simp{ 445140927Simp struct cs_softc *sc = device_get_softc(dev); 44658816Simp 447140927Simp if (sc->port_res) { 448140927Simp bus_release_resource(dev, SYS_RES_IOPORT, 449140927Simp sc->port_rid, sc->port_res); 450140927Simp sc->port_res = 0; 451140927Simp } 452140927Simp if (sc->irq_res) { 453140927Simp bus_release_resource(dev, SYS_RES_IRQ, 454140927Simp sc->irq_rid, sc->irq_res); 455140927Simp sc->irq_res = 0; 456140927Simp } 45758816Simp} 45858816Simp 45958816Simp/* 46037785Smsmith * Install the interface into kernel networking data structures 46137785Smsmith */ 46271316Simpint 463121816Sbrookscs_attach(device_t dev) 46437785Smsmith{ 465179560Sjhb int error, media=0; 466121816Sbrooks struct cs_softc *sc = device_get_softc(dev);; 467147256Sbrooks struct ifnet *ifp; 46837785Smsmith 469162321Sglebius sc->dev = dev; 470162321Sglebius 471147256Sbrooks ifp = sc->ifp = if_alloc(IFT_ETHER); 472147256Sbrooks if (ifp == NULL) { 473147256Sbrooks device_printf(dev, "can not if_alloc()\n"); 474179560Sjhb cs_release_resources(dev); 475179560Sjhb return (ENOMEM); 476147256Sbrooks } 477147256Sbrooks 478179560Sjhb mtx_init(&sc->lock, device_get_nameunit(dev), MTX_NETWORK_LOCK, 479179560Sjhb MTX_DEF); 480179560Sjhb callout_init_mtx(&sc->timer, &sc->lock, 0); 48158816Simp 482179560Sjhb CS_LOCK(sc); 483179560Sjhb cs_stop(sc); 484179560Sjhb CS_UNLOCK(sc); 485179560Sjhb 486121752Sbrooks ifp->if_softc=sc; 487121816Sbrooks if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 488121752Sbrooks ifp->if_start=cs_start; 489121752Sbrooks ifp->if_ioctl=cs_ioctl; 490121752Sbrooks ifp->if_init=cs_init; 491179560Sjhb IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 49237785Smsmith 493179560Sjhb ifp->if_flags=(IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST); 49437785Smsmith 495121752Sbrooks /* 496121752Sbrooks * this code still in progress (DMA support) 497121752Sbrooks * 49837785Smsmith 499121752Sbrooks sc->recv_ring=malloc(CS_DMA_BUFFER_SIZE<<1, M_DEVBUF, M_NOWAIT); 500121752Sbrooks if (sc->recv_ring == NULL) { 501121816Sbrooks log(LOG_ERR, 502121816Sbrooks "%s: Couldn't allocate memory for NIC\n", ifp->if_xname); 503121752Sbrooks return(0); 504121752Sbrooks } 505121752Sbrooks if ((sc->recv_ring-(sc->recv_ring & 0x1FFFF)) 506121752Sbrooks < (128*1024-CS_DMA_BUFFER_SIZE)) 507121752Sbrooks sc->recv_ring+=16*1024; 50837785Smsmith 509121752Sbrooks */ 51037785Smsmith 511121752Sbrooks sc->buffer=malloc(ETHER_MAX_LEN-ETHER_CRC_LEN,M_DEVBUF,M_NOWAIT); 512121752Sbrooks if (sc->buffer == NULL) { 513162321Sglebius device_printf(sc->dev, "Couldn't allocate memory for NIC\n"); 514179560Sjhb if_free(ifp); 515179560Sjhb mtx_destroy(&sc->lock); 516179560Sjhb cs_release_resources(dev); 517179560Sjhb return(ENOMEM); 518121752Sbrooks } 51937785Smsmith 520121752Sbrooks /* 521121752Sbrooks * Initialize the media structures. 522121752Sbrooks */ 523121752Sbrooks ifmedia_init(&sc->media, 0, cs_mediachange, cs_mediastatus); 52437785Smsmith 525121752Sbrooks if (sc->adapter_cnf & A_CNF_10B_T) { 526121752Sbrooks ifmedia_add(&sc->media, IFM_ETHER|IFM_10_T, 0, NULL); 527121752Sbrooks if (sc->chip_type != CS8900) { 528121752Sbrooks ifmedia_add(&sc->media, 529121752Sbrooks IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL); 530121752Sbrooks ifmedia_add(&sc->media, 531121752Sbrooks IFM_ETHER|IFM_10_T|IFM_HDX, 0, NULL); 532121752Sbrooks } 533121752Sbrooks } 53437785Smsmith 535121752Sbrooks if (sc->adapter_cnf & A_CNF_10B_2) 536121752Sbrooks ifmedia_add(&sc->media, IFM_ETHER|IFM_10_2, 0, NULL); 53737785Smsmith 538121752Sbrooks if (sc->adapter_cnf & A_CNF_AUI) 539121752Sbrooks ifmedia_add(&sc->media, IFM_ETHER|IFM_10_5, 0, NULL); 54037785Smsmith 541121752Sbrooks if (sc->adapter_cnf & A_CNF_MEDIA) 542121752Sbrooks ifmedia_add(&sc->media, IFM_ETHER|IFM_AUTO, 0, NULL); 54337785Smsmith 544121752Sbrooks /* Set default media from EEPROM */ 545121752Sbrooks switch (sc->adapter_cnf & A_CNF_MEDIA_TYPE) { 546121752Sbrooks case A_CNF_MEDIA_AUTO: media = IFM_ETHER|IFM_AUTO; break; 547121752Sbrooks case A_CNF_MEDIA_10B_T: media = IFM_ETHER|IFM_10_T; break; 548121752Sbrooks case A_CNF_MEDIA_10B_2: media = IFM_ETHER|IFM_10_2; break; 549121752Sbrooks case A_CNF_MEDIA_AUI: media = IFM_ETHER|IFM_10_5; break; 550122024Simp default: 551162321Sglebius device_printf(sc->dev, "no media, assuming 10baseT\n"); 552122024Simp sc->adapter_cnf |= A_CNF_10B_T; 553122024Simp ifmedia_add(&sc->media, IFM_ETHER|IFM_10_T, 0, NULL); 554122024Simp if (sc->chip_type != CS8900) { 555122024Simp ifmedia_add(&sc->media, 556122024Simp IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL); 557122024Simp ifmedia_add(&sc->media, 558122024Simp IFM_ETHER|IFM_10_T|IFM_HDX, 0, NULL); 559122024Simp } 560122024Simp media = IFM_ETHER | IFM_10_T; 561122024Simp break; 56237785Smsmith } 563121752Sbrooks ifmedia_set(&sc->media, media); 564121752Sbrooks cs_mediaset(sc, media); 56537785Smsmith 566147256Sbrooks ether_ifattach(ifp, sc->enaddr); 567121752Sbrooks 568179560Sjhb error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE, 569179560Sjhb NULL, csintr, sc, &sc->irq_handle); 570179560Sjhb if (error) { 571179560Sjhb ether_ifdetach(ifp); 572179560Sjhb free(sc->buffer, M_DEVBUF); 573179560Sjhb if_free(ifp); 574179560Sjhb mtx_destroy(&sc->lock); 575179560Sjhb cs_release_resources(dev); 576179560Sjhb return (error); 577179560Sjhb } 578179560Sjhb 57958816Simp return (0); 58037785Smsmith} 58137785Smsmith 582140888Simpint 583140888Simpcs_detach(device_t dev) 584140888Simp{ 585140888Simp struct cs_softc *sc; 586140888Simp struct ifnet *ifp; 587140888Simp 588140888Simp sc = device_get_softc(dev); 589147256Sbrooks ifp = sc->ifp; 590140888Simp 591179560Sjhb CS_LOCK(sc); 592140888Simp cs_stop(sc); 593179560Sjhb CS_UNLOCK(sc); 594179560Sjhb callout_drain(&sc->timer); 595140888Simp ether_ifdetach(ifp); 596179560Sjhb bus_teardown_intr(dev, sc->irq_res, sc->irq_handle); 597150306Simp cs_release_resources(dev); 598179560Sjhb free(sc->buffer, M_DEVBUF); 599147256Sbrooks if_free(ifp); 600179560Sjhb mtx_destroy(&sc->lock); 601140888Simp return (0); 602140888Simp} 603140888Simp 60437785Smsmith/* 60537785Smsmith * Initialize the board 60637785Smsmith */ 60737785Smsmithstatic void 60837785Smsmithcs_init(void *xsc) 60937785Smsmith{ 61037785Smsmith struct cs_softc *sc=(struct cs_softc *)xsc; 611179560Sjhb 612179560Sjhb CS_LOCK(sc); 613179560Sjhb cs_init_locked(sc); 614179560Sjhb CS_UNLOCK(sc); 615179560Sjhb} 616179560Sjhb 617179560Sjhbstatic void 618179560Sjhbcs_init_locked(struct cs_softc *sc) 619179560Sjhb{ 620147256Sbrooks struct ifnet *ifp = sc->ifp; 621179560Sjhb int i, rx_cfg; 62237785Smsmith 62337785Smsmith /* 624179560Sjhb * reset watchdog timer 62537785Smsmith */ 626179560Sjhb sc->tx_timeout = 0; 62737785Smsmith sc->buf_len = 0; 62837785Smsmith 62937785Smsmith /* 63037785Smsmith * Hardware initialization of cs 63137785Smsmith */ 63237785Smsmith 63337785Smsmith /* Enable receiver and transmitter */ 63472940Simp cs_writereg(sc, PP_LineCTL, 63572940Simp cs_readreg(sc, PP_LineCTL) | SERIAL_RX_ON | SERIAL_TX_ON); 63637785Smsmith 63737785Smsmith /* Configure the receiver mode */ 63837785Smsmith cs_setmode(sc); 63937785Smsmith 64037785Smsmith /* 64137785Smsmith * This defines what type of frames will cause interrupts 64237785Smsmith * Bad frames should generate interrupts so that the driver 64337785Smsmith * could track statistics of discarded packets 64437785Smsmith */ 645140927Simp rx_cfg = RX_OK_ENBL | RX_CRC_ERROR_ENBL | RX_RUNT_ENBL | 64637785Smsmith RX_EXTRA_DATA_ENBL; 64737785Smsmith if (sc->isa_config & STREAM_TRANSFER) 64837785Smsmith rx_cfg |= RX_STREAM_ENBL; 64972940Simp cs_writereg(sc, PP_RxCFG, rx_cfg); 65072940Simp cs_writereg(sc, PP_TxCFG, TX_LOST_CRS_ENBL | 65137785Smsmith TX_SQE_ERROR_ENBL | TX_OK_ENBL | TX_LATE_COL_ENBL | 65237785Smsmith TX_JBR_ENBL | TX_ANY_COL_ENBL | TX_16_COL_ENBL); 65372940Simp cs_writereg(sc, PP_BufCFG, READY_FOR_TX_ENBL | 65437785Smsmith RX_MISS_COUNT_OVRFLOW_ENBL | TX_COL_COUNT_OVRFLOW_ENBL | 65537785Smsmith TX_UNDERRUN_ENBL /*| RX_DMA_ENBL*/); 65637785Smsmith 657140927Simp /* Write MAC address into IA filter */ 658140927Simp for (i=0; i<ETHER_ADDR_LEN/2; i++) 659140927Simp cs_writereg(sc, PP_IA + i * 2, 660147256Sbrooks sc->enaddr[i * 2] | 661147256Sbrooks (sc->enaddr[i * 2 + 1] << 8) ); 66237785Smsmith 66337785Smsmith /* 66437785Smsmith * Now enable everything 66537785Smsmith */ 66637785Smsmith/* 66737785Smsmith#ifdef CS_USE_64K_DMA 66872940Simp cs_writereg(sc, PP_BusCTL, ENABLE_IRQ | RX_DMA_SIZE_64K); 66972940Simp#else 670140927Simp cs_writereg(sc, PP_BusCTL, ENABLE_IRQ); 67137785Smsmith#endif 67237785Smsmith*/ 67372940Simp cs_writereg(sc, PP_BusCTL, ENABLE_IRQ); 67437785Smsmith 67537785Smsmith /* 67637785Smsmith * Set running and clear output active flags 67737785Smsmith */ 678148887Srwatson sc->ifp->if_drv_flags |= IFF_DRV_RUNNING; 679148887Srwatson sc->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 680179560Sjhb callout_reset(&sc->timer, hz, cs_watchdog, sc); 68137785Smsmith 68237785Smsmith /* 68337785Smsmith * Start sending process 68437785Smsmith */ 685179560Sjhb cs_start_locked(ifp); 68637785Smsmith} 68737785Smsmith 68837785Smsmith/* 689106937Ssam * Get the packet from the board and send it to the upper layer. 69037785Smsmith */ 69137785Smsmithstatic int 69237785Smsmithcs_get_packet(struct cs_softc *sc) 69337785Smsmith{ 694147256Sbrooks struct ifnet *ifp = sc->ifp; 69537785Smsmith int iobase = sc->nic_addr, status, length; 69637785Smsmith struct ether_header *eh; 69737785Smsmith struct mbuf *m; 69837785Smsmith 69937785Smsmith#ifdef CS_DEBUG 70037785Smsmith int i; 70137785Smsmith#endif 70237785Smsmith 70372940Simp status = cs_inw(sc, RX_FRAME_PORT); 70472940Simp length = cs_inw(sc, RX_FRAME_PORT); 70537785Smsmith 70637785Smsmith#ifdef CS_DEBUG 707162321Sglebius device_printf(sc->dev, "rcvd: stat %x, len %d\n", 708104252Sbrooks status, length); 70937785Smsmith#endif 71037785Smsmith 71137785Smsmith if (!(status & RX_OK)) { 71237785Smsmith#ifdef CS_DEBUG 713162321Sglebius device_printf(sc->dev, "bad pkt stat %x\n", status); 71437785Smsmith#endif 71537785Smsmith ifp->if_ierrors++; 716140928Simp return (-1); 71737785Smsmith } 71837785Smsmith 719111119Simp MGETHDR(m, M_DONTWAIT, MT_DATA); 72037785Smsmith if (m==NULL) 721140928Simp return (-1); 72237785Smsmith 72337785Smsmith if (length > MHLEN) { 724111119Simp MCLGET(m, M_DONTWAIT); 72537785Smsmith if (!(m->m_flags & M_EXT)) { 72637785Smsmith m_freem(m); 727140928Simp return (-1); 72837785Smsmith } 72937785Smsmith } 73037785Smsmith 73137785Smsmith /* Initialize packet's header info */ 73237785Smsmith m->m_pkthdr.rcvif = ifp; 73337785Smsmith m->m_pkthdr.len = length; 73437785Smsmith m->m_len = length; 73537785Smsmith 73637785Smsmith /* Get the data */ 73737785Smsmith insw(iobase + RX_FRAME_PORT, m->m_data, (length+1)>>1); 73837785Smsmith 73937785Smsmith eh = mtod(m, struct ether_header *); 74037785Smsmith 74137785Smsmith#ifdef CS_DEBUG 74237785Smsmith for (i=0;i<length;i++) 74337785Smsmith printf(" %02x",(unsigned char)*((char *)(m->m_data+i))); 74437785Smsmith printf( "\n" ); 74537785Smsmith#endif 74637785Smsmith 74737785Smsmith if (status & (RX_IA | RX_BROADCAST) || 74837785Smsmith (ifp->if_flags & IFF_MULTICAST && status & RX_HASHED)) { 74937785Smsmith /* Feed the packet to the upper layer */ 750106937Ssam (*ifp->if_input)(ifp, m); 75137785Smsmith ifp->if_ipackets++; 752122024Simp if (length == ETHER_MAX_LEN-ETHER_CRC_LEN) 753140927Simp DELAY(cs_recv_delay); 75437785Smsmith } else { 75537785Smsmith m_freem(m); 75637785Smsmith } 75737785Smsmith 758140928Simp return (0); 75937785Smsmith} 76037785Smsmith 76137785Smsmith/* 76258816Simp * Handle interrupts 76337785Smsmith */ 76458816Simpvoid 76558816Simpcsintr(void *arg) 76637785Smsmith{ 76758816Simp struct cs_softc *sc = (struct cs_softc*) arg; 768147256Sbrooks struct ifnet *ifp = sc->ifp; 76941591Sarchie int status; 77037785Smsmith 77137785Smsmith#ifdef CS_DEBUG 772162321Sglebius device_printf(sc->dev, "Interrupt.\n"); 77337785Smsmith#endif 77437785Smsmith 775179560Sjhb CS_LOCK(sc); 77672940Simp while ((status=cs_inw(sc, ISQ_PORT))) { 77737785Smsmith 77837785Smsmith#ifdef CS_DEBUG 779162321Sglebius device_printf(sc->dev, "from ISQ: %04x\n", status); 78037785Smsmith#endif 78137785Smsmith 78237785Smsmith switch (status & ISQ_EVENT_MASK) { 783140927Simp case ISQ_RECEIVER_EVENT: 784140927Simp cs_get_packet(sc); 785140927Simp break; 78637785Smsmith 787140927Simp case ISQ_TRANSMITTER_EVENT: 788140927Simp if (status & TX_OK) 789140927Simp ifp->if_opackets++; 790140927Simp else 791140927Simp ifp->if_oerrors++; 792148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 793179560Sjhb sc->tx_timeout = 0; 794140927Simp break; 79537785Smsmith 796140927Simp case ISQ_BUFFER_EVENT: 797140927Simp if (status & READY_FOR_TX) { 798148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 799179560Sjhb sc->tx_timeout = 0; 800140927Simp } 80137785Smsmith 802140927Simp if (status & TX_UNDERRUN) { 803148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 804179560Sjhb sc->tx_timeout = 0; 805140927Simp ifp->if_oerrors++; 806140927Simp } 807140927Simp break; 80837785Smsmith 809140927Simp case ISQ_RX_MISS_EVENT: 810140927Simp ifp->if_ierrors+=(status>>6); 811140927Simp break; 81237785Smsmith 813140927Simp case ISQ_TX_COL_EVENT: 814140927Simp ifp->if_collisions+=(status>>6); 815140927Simp break; 816140927Simp } 817140927Simp } 81837785Smsmith 819148887Srwatson if (!(ifp->if_drv_flags & IFF_DRV_OACTIVE)) { 820179560Sjhb cs_start_locked(ifp); 821140927Simp } 822179560Sjhb CS_UNLOCK(sc); 82337785Smsmith} 82437785Smsmith 82537785Smsmith/* 82637785Smsmith * Save the data in buffer 82737785Smsmith */ 82837785Smsmith 82937785Smsmithstatic void 83037785Smsmithcs_write_mbufs( struct cs_softc *sc, struct mbuf *m ) 83137785Smsmith{ 83237785Smsmith int len; 83337785Smsmith struct mbuf *mp; 83437785Smsmith unsigned char *data, *buf; 83537785Smsmith 83637785Smsmith for (mp=m, buf=sc->buffer, sc->buf_len=0; mp != NULL; mp=mp->m_next) { 83737785Smsmith len = mp->m_len; 83837785Smsmith 83937785Smsmith /* 84037785Smsmith * Ignore empty parts 84137785Smsmith */ 84237785Smsmith if (!len) 84337785Smsmith continue; 84437785Smsmith 84537785Smsmith /* 84637785Smsmith * Find actual data address 84737785Smsmith */ 84837785Smsmith data = mtod(mp, caddr_t); 84937785Smsmith 85037785Smsmith bcopy((caddr_t) data, (caddr_t) buf, len); 85137785Smsmith buf += len; 85237785Smsmith sc->buf_len += len; 85337785Smsmith } 85437785Smsmith} 85537785Smsmith 85637785Smsmith 85737785Smsmithstatic void 85837785Smsmithcs_xmit_buf( struct cs_softc *sc ) 85937785Smsmith{ 86037785Smsmith outsw(sc->nic_addr+TX_FRAME_PORT, sc->buffer, (sc->buf_len+1)>>1); 86137785Smsmith sc->buf_len = 0; 86237785Smsmith} 86337785Smsmith 86437785Smsmithstatic void 86537785Smsmithcs_start(struct ifnet *ifp) 86637785Smsmith{ 867179560Sjhb struct cs_softc *sc = ifp->if_softc; 868179560Sjhb 869179560Sjhb CS_LOCK(sc); 870179560Sjhb cs_start_locked(ifp); 871179560Sjhb CS_UNLOCK(sc); 872179560Sjhb} 873179560Sjhb 874179560Sjhbstatic void 875179560Sjhbcs_start_locked(struct ifnet *ifp) 876179560Sjhb{ 877179560Sjhb int length; 87837785Smsmith struct mbuf *m, *mp; 87937785Smsmith struct cs_softc *sc = ifp->if_softc; 88037785Smsmith 88137785Smsmith for (;;) { 88237785Smsmith if (sc->buf_len) 88337785Smsmith length = sc->buf_len; 88437785Smsmith else { 88537785Smsmith IF_DEQUEUE( &ifp->if_snd, m ); 88637785Smsmith 88737785Smsmith if (m==NULL) { 88837785Smsmith return; 88937785Smsmith } 89037785Smsmith 89137785Smsmith for (length=0, mp=m; mp != NULL; mp=mp->m_next) 89237785Smsmith length += mp->m_len; 89337785Smsmith 89437785Smsmith /* Skip zero-length packets */ 89537785Smsmith if (length == 0) { 89637785Smsmith m_freem(m); 89737785Smsmith continue; 89837785Smsmith } 89937785Smsmith 90037785Smsmith cs_write_mbufs(sc, m); 90137785Smsmith 902106937Ssam BPF_MTAP(ifp, m); 90337785Smsmith 90437785Smsmith m_freem(m); 90537785Smsmith } 90637785Smsmith 90737785Smsmith /* 90837785Smsmith * Issue a SEND command 90937785Smsmith */ 91072940Simp cs_outw(sc, TX_CMD_PORT, sc->send_cmd); 91172940Simp cs_outw(sc, TX_LEN_PORT, length ); 91237785Smsmith 91337785Smsmith /* 91437785Smsmith * If there's no free space in the buffer then leave 91537785Smsmith * this packet for the next time: indicate output active 91637785Smsmith * and return. 91737785Smsmith */ 91872940Simp if (!(cs_readreg(sc, PP_BusST) & READY_FOR_TX_NOW)) { 919179560Sjhb sc->tx_timeout = sc->buf_len; 920148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 92137785Smsmith return; 92237785Smsmith } 92337785Smsmith 924140927Simp cs_xmit_buf(sc); 92537785Smsmith 92637785Smsmith /* 92737785Smsmith * Set the watchdog timer in case we never hear 92837785Smsmith * from board again. (I don't know about correct 92937785Smsmith * value for this timeout) 93037785Smsmith */ 931179560Sjhb sc->tx_timeout = length; 93237785Smsmith 933148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 93437785Smsmith return; 93537785Smsmith } 93637785Smsmith} 93737785Smsmith 93837785Smsmith/* 93937785Smsmith * Stop everything on the interface 94037785Smsmith */ 94137785Smsmithstatic void 94237785Smsmithcs_stop(struct cs_softc *sc) 94337785Smsmith{ 94437785Smsmith 945179560Sjhb CS_ASSERT_LOCKED(sc); 94672940Simp cs_writereg(sc, PP_RxCFG, 0); 94772940Simp cs_writereg(sc, PP_TxCFG, 0); 94872940Simp cs_writereg(sc, PP_BufCFG, 0); 94972940Simp cs_writereg(sc, PP_BusCTL, 0); 95037785Smsmith 951148887Srwatson sc->ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 952179560Sjhb sc->tx_timeout = 0; 953179560Sjhb callout_stop(&sc->timer); 95437785Smsmith} 95537785Smsmith 95637785Smsmith/* 95737785Smsmith * Reset the interface 95837785Smsmith */ 95937785Smsmithstatic void 96037785Smsmithcs_reset(struct cs_softc *sc) 96137785Smsmith{ 962179560Sjhb 963179560Sjhb CS_ASSERT_LOCKED(sc); 96437785Smsmith cs_stop(sc); 965179560Sjhb cs_init_locked(sc); 96637785Smsmith} 96737785Smsmith 968156559Sphilipstatic uint16_t 969156559Sphilipcs_hash_index(struct sockaddr_dl *addr) 970156559Sphilip{ 971156559Sphilip uint32_t crc; 972156559Sphilip uint16_t idx; 973156559Sphilip caddr_t lla; 974156559Sphilip 975156559Sphilip lla = LLADDR(addr); 976156559Sphilip crc = ether_crc32_le(lla, ETHER_ADDR_LEN); 977156559Sphilip idx = crc >> 26; 978156559Sphilip 979156559Sphilip return (idx); 980156559Sphilip} 981156559Sphilip 98237785Smsmithstatic void 98337785Smsmithcs_setmode(struct cs_softc *sc) 98437785Smsmith{ 985156559Sphilip int rx_ctl; 986156559Sphilip uint16_t af[4]; 987156559Sphilip uint16_t port, mask, index; 988147256Sbrooks struct ifnet *ifp = sc->ifp; 989156559Sphilip struct ifmultiaddr *ifma; 99037785Smsmith 99137785Smsmith /* Stop the receiver while changing filters */ 99272940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) & ~SERIAL_RX_ON); 99337785Smsmith 99437785Smsmith if (ifp->if_flags & IFF_PROMISC) { 99537785Smsmith /* Turn on promiscuous mode. */ 99637785Smsmith rx_ctl = RX_OK_ACCEPT | RX_PROM_ACCEPT; 997156559Sphilip } else if (ifp->if_flags & IFF_MULTICAST) { 998156559Sphilip /* Allow receiving frames with multicast addresses */ 999156559Sphilip rx_ctl = RX_IA_ACCEPT | RX_BROADCAST_ACCEPT | 1000156559Sphilip RX_OK_ACCEPT | RX_MULTCAST_ACCEPT; 1001156559Sphilip 1002156559Sphilip /* Start with an empty filter */ 1003156559Sphilip af[0] = af[1] = af[2] = af[3] = 0x0000; 1004156559Sphilip 1005156559Sphilip if (ifp->if_flags & IFF_ALLMULTI) { 1006156559Sphilip /* Accept all multicast frames */ 1007156559Sphilip af[0] = af[1] = af[2] = af[3] = 0xffff; 100837785Smsmith } else { 1009156559Sphilip /* 1010156559Sphilip * Set up the filter to only accept multicast 1011156559Sphilip * frames we're interested in. 101237785Smsmith */ 1013156559Sphilip IF_ADDR_LOCK(ifp); 1014156559Sphilip TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 1015156559Sphilip struct sockaddr_dl *dl = 1016156559Sphilip (struct sockaddr_dl *)ifma->ifma_addr; 1017156559Sphilip 1018156559Sphilip index = cs_hash_index(dl); 1019156559Sphilip port = (u_int16_t) (index >> 4); 1020156559Sphilip mask = (u_int16_t) (1 << (index & 0xf)); 1021156559Sphilip af[port] |= mask; 1022156559Sphilip } 1023156559Sphilip IF_ADDR_UNLOCK(ifp); 102437785Smsmith } 1025156559Sphilip 1026156559Sphilip cs_writereg(sc, PP_LAF + 0, af[0]); 1027156559Sphilip cs_writereg(sc, PP_LAF + 2, af[1]); 1028156559Sphilip cs_writereg(sc, PP_LAF + 4, af[2]); 1029156559Sphilip cs_writereg(sc, PP_LAF + 6, af[3]); 1030156559Sphilip } else { 1031156559Sphilip /* 1032156559Sphilip * Receive only good frames addressed for us and 1033156559Sphilip * good broadcasts. 1034156559Sphilip */ 1035156559Sphilip rx_ctl = RX_IA_ACCEPT | RX_BROADCAST_ACCEPT | 1036156559Sphilip RX_OK_ACCEPT; 103737785Smsmith } 103837785Smsmith 103937785Smsmith /* Set up the filter */ 104072940Simp cs_writereg(sc, PP_RxCTL, RX_DEF_ACCEPT | rx_ctl); 104137785Smsmith 104237785Smsmith /* Turn on receiver */ 104372940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) | SERIAL_RX_ON); 104437785Smsmith} 104537785Smsmith 104637785Smsmithstatic int 104737785Smsmithcs_ioctl(register struct ifnet *ifp, u_long command, caddr_t data) 104837785Smsmith{ 104937785Smsmith struct cs_softc *sc=ifp->if_softc; 105037785Smsmith struct ifreq *ifr = (struct ifreq *)data; 1051179560Sjhb int error=0; 105237785Smsmith 105337785Smsmith#ifdef CS_DEBUG 1054162321Sglebius if_printf(ifp, "%s command=%lx\n", __func__, command); 105537785Smsmith#endif 105637785Smsmith 105737785Smsmith switch (command) { 105837785Smsmith case SIOCSIFFLAGS: 105937785Smsmith /* 106037785Smsmith * Switch interface state between "running" and 106137785Smsmith * "stopped", reflecting the UP flag. 1062140927Simp */ 1063179560Sjhb CS_LOCK(sc); 1064147256Sbrooks if (sc->ifp->if_flags & IFF_UP) { 1065148887Srwatson if ((sc->ifp->if_drv_flags & IFF_DRV_RUNNING)==0) { 1066179560Sjhb cs_init_locked(sc); 1067140927Simp } 1068140927Simp } else { 1069148887Srwatson if ((sc->ifp->if_drv_flags & IFF_DRV_RUNNING)!=0) { 1070140927Simp cs_stop(sc); 1071140927Simp } 1072179560Sjhb } 107337785Smsmith /* 107437785Smsmith * Promiscuous and/or multicast flags may have changed, 107537785Smsmith * so reprogram the multicast filter and/or receive mode. 107637785Smsmith * 107737785Smsmith * See note about multicasts in cs_setmode 107837785Smsmith */ 107937785Smsmith cs_setmode(sc); 1080179560Sjhb CS_UNLOCK(sc); 108137785Smsmith break; 108237785Smsmith 108337785Smsmith case SIOCADDMULTI: 108437785Smsmith case SIOCDELMULTI: 108537785Smsmith /* 108637785Smsmith * Multicast list has changed; set the hardware filter 108737785Smsmith * accordingly. 108837785Smsmith * 108937785Smsmith * See note about multicasts in cs_setmode 109037785Smsmith */ 1091179560Sjhb CS_LOCK(sc); 109237785Smsmith cs_setmode(sc); 1093179560Sjhb CS_UNLOCK(sc); 109437785Smsmith error = 0; 109537785Smsmith break; 109637785Smsmith 1097140927Simp case SIOCSIFMEDIA: 1098140927Simp case SIOCGIFMEDIA: 1099140927Simp error = ifmedia_ioctl(ifp, ifr, &sc->media, command); 1100140927Simp break; 110137785Smsmith 1102140927Simp default: 1103140921Simp error = ether_ioctl(ifp, command, data); 1104106937Ssam break; 1105140927Simp } 110637785Smsmith 1107140928Simp return (error); 110837785Smsmith} 110937785Smsmith 111037785Smsmith/* 111137785Smsmith * Device timeout/watchdog routine. Entered if the device neglects to 111237785Smsmith * generate an interrupt after a transmit has been started on it. 111337785Smsmith */ 111437785Smsmithstatic void 1115179560Sjhbcs_watchdog(void *arg) 111637785Smsmith{ 1117179560Sjhb struct cs_softc *sc = arg; 1118179560Sjhb struct ifnet *ifp = sc->ifp; 111937785Smsmith 1120179560Sjhb CS_ASSERT_LOCKED(sc); 1121179560Sjhb if (sc->tx_timeout && --sc->tx_timeout == 0) { 1122179560Sjhb ifp->if_oerrors++; 1123179560Sjhb log(LOG_ERR, "%s: device timeout\n", ifp->if_xname); 112437785Smsmith 1125179560Sjhb /* Reset the interface */ 1126179560Sjhb if (ifp->if_flags & IFF_UP) 1127179560Sjhb cs_reset(sc); 1128179560Sjhb else 1129179560Sjhb cs_stop(sc); 1130179560Sjhb } 1131179560Sjhb callout_reset(&sc->timer, hz, cs_watchdog, sc); 113237785Smsmith} 113337785Smsmith 113437785Smsmithstatic int 113537785Smsmithcs_mediachange(struct ifnet *ifp) 113637785Smsmith{ 113737785Smsmith struct cs_softc *sc = ifp->if_softc; 113837785Smsmith struct ifmedia *ifm = &sc->media; 1139179560Sjhb int error; 114037785Smsmith 114137785Smsmith if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 1142140928Simp return (EINVAL); 114337785Smsmith 1144179560Sjhb CS_LOCK(sc); 1145179560Sjhb error = cs_mediaset(sc, ifm->ifm_media); 1146179560Sjhb CS_UNLOCK(sc); 1147179560Sjhb return (error); 114837785Smsmith} 114937785Smsmith 115037785Smsmithstatic void 115137785Smsmithcs_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 115237785Smsmith{ 115337785Smsmith int line_status; 115437785Smsmith struct cs_softc *sc = ifp->if_softc; 115537785Smsmith 1156179560Sjhb CS_LOCK(sc); 115737785Smsmith ifmr->ifm_active = IFM_ETHER; 115872940Simp line_status = cs_readreg(sc, PP_LineST); 115937785Smsmith if (line_status & TENBASET_ON) { 116037785Smsmith ifmr->ifm_active |= IFM_10_T; 116137785Smsmith if (sc->chip_type != CS8900) { 116272940Simp if (cs_readreg(sc, PP_AutoNegST) & FDX_ACTIVE) 116337785Smsmith ifmr->ifm_active |= IFM_FDX; 116472940Simp if (cs_readreg(sc, PP_AutoNegST) & HDX_ACTIVE) 116537785Smsmith ifmr->ifm_active |= IFM_HDX; 116637785Smsmith } 116737785Smsmith ifmr->ifm_status = IFM_AVALID; 116837785Smsmith if (line_status & LINK_OK) 116937785Smsmith ifmr->ifm_status |= IFM_ACTIVE; 117037785Smsmith } else { 117138305Smsmith if (line_status & AUI_ON) { 117272940Simp cs_writereg(sc, PP_SelfCTL, cs_readreg(sc, PP_SelfCTL) | 117372940Simp HCB1_ENBL); 117438305Smsmith if (((sc->adapter_cnf & A_CNF_DC_DC_POLARITY)!=0)^ 117572940Simp (cs_readreg(sc, PP_SelfCTL) & HCB1)) 117638305Smsmith ifmr->ifm_active |= IFM_10_2; 117738305Smsmith else 117838305Smsmith ifmr->ifm_active |= IFM_10_5; 117938305Smsmith } 118037785Smsmith } 1181179560Sjhb CS_UNLOCK(sc); 118237785Smsmith} 118337785Smsmith 118437785Smsmithstatic int 118537785Smsmithcs_mediaset(struct cs_softc *sc, int media) 118637785Smsmith{ 1187179532Simp int error = 0; 118837785Smsmith 118937785Smsmith /* Stop the receiver & transmitter */ 119072940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) & 119172940Simp ~(SERIAL_RX_ON | SERIAL_TX_ON)); 119237785Smsmith 119337785Smsmith#ifdef CS_DEBUG 1194162321Sglebius device_printf(sc->dev, "%s media=%x\n", __func__, media); 119537785Smsmith#endif 119637785Smsmith 119737785Smsmith switch (IFM_SUBTYPE(media)) { 119837785Smsmith default: 119937785Smsmith case IFM_AUTO: 1200179553Simp /* 1201179553Simp * This chip makes it a little hard to support this, so treat 1202179553Simp * it as IFM_10_T, auto duplex. 1203179553Simp */ 1204179553Simp enable_tp(sc); 1205179553Simp cs_duplex_auto(sc); 120637785Smsmith break; 120737785Smsmith case IFM_10_T: 1208179532Simp enable_tp(sc); 120937785Smsmith if (media & IFM_FDX) 121037785Smsmith cs_duplex_full(sc); 121137785Smsmith else if (media & IFM_HDX) 121237785Smsmith cs_duplex_half(sc); 121337785Smsmith else 121437785Smsmith error = cs_duplex_auto(sc); 121537785Smsmith break; 121637785Smsmith case IFM_10_2: 121737785Smsmith error = enable_bnc(sc); 121837785Smsmith break; 121937785Smsmith case IFM_10_5: 122037785Smsmith error = enable_aui(sc); 122137785Smsmith break; 122237785Smsmith } 122337785Smsmith 122437785Smsmith /* 122537785Smsmith * Turn the transmitter & receiver back on 122637785Smsmith */ 122772940Simp cs_writereg(sc, PP_LineCTL, cs_readreg(sc, PP_LineCTL) | 122872940Simp SERIAL_RX_ON | SERIAL_TX_ON); 122937785Smsmith 1230140928Simp return (error); 123137785Smsmith} 1232